l?estudi dels principals sistemes de funcionament dels motors actuals al llarg de nou unitats: el sistema d?encesa, el d?injecció de motors de gasoli ...

Macmillan Vocabulary Practice Series is a series of exciting vocabulary books designed for students who are taught subjects in English. Comprising of ...

Aviation English has been specifically designed by the authors to teach English language communication skills to pilots and air traffic controllers, a ...

Gateway is an academically rich five-level course designed to lead teenage students to success in school-leaving and university entrance exams and pre ...